Not what you're after, but your talk of beans reminded me of Taco Bell Programming. [0]
[0] https://widgetsandshit.com/teddziuba/2010/10/taco-bell-progr...
Speaking of beans, here's a classic (totally different from the main topic. Welcome to Topic Creep):
https://archive.uie.com/brainsparks/2011/07/08/beans-and-nos...
His example of a web crawler stinks. I can get behind the philosophy, but his specific web crawler example at a minimum needs to retry, respect robots.txt, and rate limit per domain. So no, xargs + curl is a dumb example.